问Woocommerce在删除产品时，还会自动删除产品库和产品图片

EN

add_action( 'before_delete_post', 'delete_product_images', 10, 1 );

function delete_product_images( $post_id )
{
    $product = wc_get_product( $post_id );

    if ( !$product ) {
        return;
    }

    $featured_image_id = $product->get_image_id();
    $image_galleries_id = $product->get_gallery_image_ids();

    if( !empty( $featured_image_id ) ) {
        wp_delete_post( $featured_image_id );
    }

    if( !empty( $image_galleries_id ) ) {
        foreach( $image_galleries_id as $single_image_id ) {
            wp_delete_post( $single_image_id );
        }
    }
}

add_action("before_delete_post","wdm_delete_post_images",10,1);

function wdm_delete_post_images($post_id)
{
 global $wpdb;
          $args = array(
                'post_parent' => $post_id,
                'post_type'   => 'attachment', 
                'numberposts' => -1,
                'post_status' => 'any' 
        ); 
        $childrens = get_children( $args);
        if($childrens):
            foreach($childrens as $attachment):   
             wp_delete_attachment( $attachment->ID, true ); 
             $wpdb->query("DELETE FROM {$wpdb->postmeta} WHERE post_id = ".$attachment->ID);
             wp_delete_post($attachment->ID,true ); 
            endforeach;

        endif;
}

add_action('after_delete_post','wdm_delete_post_images',10,1);

function wdm_delete_post_images($post_id)
{
   $featured_image_id = get_post_meta($post_id,'_thumbnail_id',true);

   $image_galleries_id = get_post_meta($post_id,'_product_image_gallery',true);

   if(!empty($featured_image_id))
   {
     wp_delete_post($featured_image_id);
   }

  if(!empty($image_galleries_id))
  {
    $image_galleries_array = split(',',$image_galleries_id);

    foreach($image_galleries_array as $single_image_id)
    {
        wp_delete_post($single_image_id);
    }
  }
}